Shear bands in metallic glasses are not necessarily hot
Source abstract
Abstract
We have used the fusible tin coating method to detect shear band heating in amorphous Zr57Ti5Cu20Ni8Al10 loaded under quasi-static uniaxial compression. High-rate load data allowed a precise determination of the duration of shearing events and final fracture. When loading was halted prior to fracture we saw no evidence of melted tin despite the presence of shear offsets up to 6 μm on some shear bands. Samples loaded to fracture showed evidence of tin melting near the fracture surface. We attribute the difference to the duration of the events, which is much longer for shear banding (milliseconds) than for fracture (microseconds).
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Research context
OpenAlex topics: Metallic Glasses and Amorphous Alloys
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Johns Hopkins University 1 Department of Materials Science and Engineering, , 3400 N Charles St, Baltimore, Maryland 21218, USA
Bucknell University 2 Department of Mechanical Engineering, , One Dent Drive, Lewisburg, Pennsylvania 17837, USA
Bucknell University 3 Department of Chemical Engineering, , One Dent Drive, Lewisburg, Pennsylvania 17837, USA
Johns Hopkins University 4 Department of Mechanical Engineering, , 3400 N Charles St, Baltimore, Maryland 21218, USA
Funding
NSF
References (24)
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